32
Alarms/Red Screens (continued)
Low External Power
Alarm
(technical)
(medium priority)
When the voltage from an external power source falls below 17 volts (as
measured by the device internally), the screen will flash red at 2Hz, sound a
10-beep sequence repeated after 2.5 seconds of silence and the text “Low
External Power” will flash in the system status window.
The device will continue to sound until the Menu (M) button is pressed to
silence the audio, the power button is held to power off the device or 15
seconds has expired at which time the device will power off.
What to do: Ensure all charging connections are intact.
Refer to the DC user guide section of this manual.
Unauthorized Battery
Alarm
(technical)
(high priority)
If the device detects that a battery other than one from O2 Concepts has
been installed in the device, the battery icon will show an exclamation
point within the battery outline. If no other power source is present, the
screen will flash red at 2Hz, sound a 10-beep sequence repeated after 2.5
seconds of silence and the text “Unauthorized Battery” will flash in the
system status window.
The device will continue to sound until the Menu (M) button is pressed to
silence the audio, the power button is held to power off the device or 15
seconds has expired
at which time the device will power off.
What to do: Remove unauthorized battery and replace with an authorized O2
Concepts Freedom battery.
Over Temperature
Alarm
(technical)
(high priority)
The maximum operating temperature of the enclosure and pump is 70°C. If
either of these component temperatures are reached for 15 seconds, the
screen will flash red at 2Hz, sound a 10-beep sequence repeated after 2.5
seconds of silence and the text “Over Temperature” will flash in the system
status window. The device will continue to sound until the Menu (M) button
is pressed to silence the audio, the power button is held to power off the
device or 15 seconds has expired at which time the device will power off.
What to do: Ensure that device has proper ventilation and that ports are not blocked.
Ensure device is not outside of recommended operating temperatures.
Invalid Motor
Temperature Alarm
(technical)
(high priority)
When the motor temperature is out of a valid range for 15 seconds, the
screen will flash red at 2Hz, sound a 10-beep sequence repeated after 2.5
seconds of silence and the text “Invalid Motor Temperature” will flash in the
system status window. The device will continue to sound until the Menu (M)
button is pressed to silence the audio, the power button is held to power off
the device or 15 seconds has expired at which time the device will power
off.
What to do: Ensure that device has proper ventilation and that ports are not blocked.
Ensure device is not outside of recommended operating temperatures.
Invalid Box Temperature
Alarm
(technical)
(high priority)
When the internal box temperature is out of a valid range for 15 seconds,
the screen will flash red at 2Hz, sound a 10-beep sequence repeated after
2.5 seconds of silence and the text “Invalid Box Temperature” will flash in
the system status window. The device will continue to sound until the Menu
(M) button is pressed to silence the audio, the power button is held to
power off the device or 15 seconds has expired at which time the device
will power off.
What to do: Ensure that device has proper ventilation and that ports are not blocked.
Ensure device is not outside of recommended operating temperatures.